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Finding the Fourth Proportional to 8,992.59, 13,480.66 and 3,146.01

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Solution

The fourth proportional to 8,992.59, 13,480.66 and 3,146.01 is: 4,716.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.59 : 13,480.66 = 3,146.01 : x
  2. Step 2: Convert to fraction form
    8,992.59/13,480.66 = 3,146.01/x
  3. Step 3: Cross multiply
    8,992.59x = 13,480.66 × 3,146.01
  4. Step 4: Simplify right side
    8,992.59x = 42,410,244.55
  5. Step 5: Solve for x
    x = 42,410,244.55/8,992.59
  6. Step 6: Final answer
    x = 4,716.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.